Gearing for washing-machines.



PATENTED MAR. 24, 1908.

No. 882,619. x l

H. BRAMMBR. GEARING FOR WASHING MACHINES. APPLICATION FILED JUNE 27, 1907. l

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A Ill/ll/ 'lmlullllll HENRY BRAMMER, OF ST. LOUIS, MISSOURI.

GEARING FOR WASHING-MACHINES.

Specification of Letters Patent.

Patented March 24, 1908.

Application filed June 27, 1907. Serial No. 381,095.

T o all whom 'it may concern.'

Be it known that I, HENRY BRAMMER, a citizen of the United States, and a resident of St. Louis, in the Stato of Missouri, have invented certain new and useful Improvements in Gearing for Washing-Machines, of which the following is a clear, full, and exact description.

My invention relates to mechanical movements for converting a continuously revolving motion into a rotary reciprocal motion, and it is particularly adapted for use in connection with rotary washing machines.

The object of my invent-ion is to provide mechanism which will cause a rotary reciprocal shaft to run smoothly but at an uneven speed throughout its cycle of movement, and will not pound at the moment of reversal nor reverse too quickly. This I accomplish by the means hereinafter fully described, and as particularly pointed out in the claims.

In the drawings z-Figure l is a side elevation of my invention. Fig. 2 is a plan view of a portion of the same showing the supporting frame broken away. Eig. 3 is a view showing one side of the mangle-gear. Fig. l is a similar view of the opposite side thereof.

In the drawings A represents a suitable supporting-frame for the operative parts of my invention. This supporting-frame comprises a suitable base-plate, which is secured to the lid or cover of the tub of a washing machine (not shown) and has one end terminating in a suitable bearing for the outer end of a continuously revolving drive-shaft B and the other end provided with a somewhat circular shaped arch that has a horizontal bearing for the inner end of the driveshaft7 and vertical bearings for the rotary reciprocal driven shaft C, and parts coperating therewith whose axes aline with that of thei driven shaft, as will hereinafter be more fully described.

The upper end of shaft C extends above its bearings in the base-plate of the supportingframe and is provided with a beveled pinion I), and it projects above the upper face of said pinion a short distance and its upper end serves as a pilot or pivot for a rotary reciprocalbearingblocl@,which latter has a downwardly extending boss or block c with an opening therein for the reception of the upper end of said shaft C, and has an upwardly extending boss whose bore is adapted to receive the downwardly extending end of a short spindle secured, in alinement with shaft C in the overhead portion of the arch of the supporting-frame, substantially as shown.

The bearing in block c is horizontal and when in the position shown in Fig. 1 of the drawings alines with the axis of the driveshaft. Journaled in this bearing is a rotary reciprocal shaft D, whose end, nearest the drive-shaft, has a wheel E secured thereto, which has a bevel gear d on the side nearest the pivot of said block c which meshes with pinion b and on its opposite face is provided with a series of circularly arranged pins e projecting therefrom. This series of pins extends about three-'fifths of a circle, more or less, and the face of the gear from which they project is provided with an endless tracker groove or runway f, which surrounds the base of said pins, and at every point throughout its length is an equal distance removed from the circular line intersecting their centers. Now the adjacent end of the driveshaft extends sufficiently beyond its adjacent bearings to enter runway f, and it has near its extremity a spur-wheel F which is adapted to mesh with pins c, and which is held in engagement therewith by reason of the extremity of the drive-shaft traveling in said runway.

The operation of my invention is substantially as follows, to-Wit: I/Vhen the driveshaft is revolved continuously in one direction, the spur-wheel E thereof engages the pins c of the mangle-wheel E and turns the shaft D rst in one direction and then in another. In order to do this, however, in view of the fact that said spur-wheel engages the sides of the pin, farthest from the center of rotation of the mangle-wheel and then the side of said pins nearest the said center of rotation, the shaft B vibrates laterally and moves said mangle-wheel so that its center of rotation approaches nearer to and then farther from the spur-wheel, said manglewheel traveling faster while the spur-wheel engages the sides of the pins nearest the center of rotation of the mangle-wheel and slower when the spur-wheel engages the end pin of the series, and the sides of the pins farthest from the center of said wheel. Thus a very uneven speed is imparted to the mangle-wheel and through the beveled gear d to the beveled pinion l) and the rotary reciprocal shaft D to which it is secured.

What I claim as new is 1. A mechanical movement comprising a continuously revoluhle drive-shaft, a rotary reciprocal shaft arranged at an angle thereto7 and rotary reciprocal means deriving its motion from said drive-shaft having a transversely vibratory axis and operatively connected to and imparting its motion to said rotary reciprocal shaft.

2. A mechanical movement comprising a continuously revoluble drive-shaft, a rotary reciprocal shaft arranged at an angle thereto, and rotary reciprocal means deriving its motion from said drive-shaft on one side and engaging the rotary reciprocal shaft on the opposite and having a transversely vibratory axis and operatively connected to and imparting its motion to said rotary reciprocal shaft.

3. A mechanical movement comprising a continuously revoluhle drive-shaft, a rotary reciprocal shaft arranged at an angle thereto, a rotary reciprocal mangle-vvheel deriving its motion from said drive-shaft having a transversely vibratory axis and having a pinion integral with its side opposite said driveshaft Which is operatively connected to and imparts its motion to said rotary reciprocal shaft.

4:. A mechanical movement comprising a continuously revoluhle drive-shaft, a rotary reciprocal shaft arranged at an angle thereto, a rotary reciprocal mangle-Wheel deriving its motion from said drive-shaft having a transversely vibrator-y axis and having a pinion integral With its side opposite said driveshaft which is operatively connected to and imparts its motion to said rotary reciprocal shaft.

5. A mechanical movement comprising a continuously revoluble drive-shaft7 a rotary reciprocal shaft arranged at an angle thereto, a rotary reciprocal mangle-Wheel-shaft to Which said rotary reciprocal shaft is secured, pivoted bearings for said mangle-shaft in the same plane as the bearings of said driveshaft, the axis of the pivot of which alines With the axis of said rotary reciprocal shaft, and means integral With said mangle-Wheel that is operatively connected to and imparts its motion to said rotary reciprocal shaft.

6. A mechanical movement comprising a continuously revolulole drive-shaft7 a rotary reciprocal shaft arranged at an angle thereto, a rotary reciprocal transversely vibratory mangle-Wheel deriving its motion from said drive-shaft, having a concentric segmental series of pins projecting therefrom and a tracker groove surrounding and at all points equi-distant from the same.

7 A mechanical movement comprising a continuously revoluble drive-shaft, a rotary reciprocal shaft arranged at an angle thereto, a rotary reciprocal transversely vibratory mangle-Wheel deriving its motion from said drive-shaft having a vibratory movement in a plane transaxial to said drive-shaft; having a concentric segmental series of pins projecting therefrom7 and a tracker groove surrounding and at all points equi-distant from the same.

In testimony whereof l have hereunto set my hand and seal this 12th day of June, A. D. 1907.

HENRY BRAMMER. 

